<!DOCTYPE html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>登陆认证失败</title>
	<style>
        html,body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        .content {
            width: 500px;
            height: 200px;
            margin: 0 auto; /*水平居中*/
            position: relative;
            top: 50%; /*偏移*/
            transform: translateY(-50%);
        }
    </style>
</head>
<body>
	<div class="content">
		<img src="error.png" width="50px" height="50px" style="vertical-align:middle"/>登陆认证失败
		<br>
		<br>
		<hr>请确认后台系统用户是否存在或用户名密码是否正确
	</div>
</body>
</html>